i have PQI 12000 power bank that support 2A charge speed and a 550 mah wall charger can i charge the power bank on this charger ?or is it dangerous ?if it just time i don t care :Dand another question can i charge my phone (Galaxy Ace 3 1500 mah battery on 2A charger) ?
First, you should know that ONLY BATTERIES have mAh ratings. The h means hour. Chargers have only mA or A ratings. No h. Ever. Since 550 mA is only a little more than 25% of 2 A (2000 mA), there should be no problems. Phones have charge controllers in them, so that should work, too.
